For the atomic number 24: (i) Write the electronic configuration (ii) Write the value of l for its electron in the valence shell (iii) How many unpaired electrons are present in it?
a) 1s22s22p63s23p64s23d4, 2, 4
b) 1s22s22p63s23p64s23d4, 3, 2
c) 1s22s22p63s23p64s23d4, 3, 4
d) 1s22s22p63s23p64s23d4, 2, 2